A 4.399 g sample containing Mg2+ is dissolved and treated with excess (NH4)2HPO4, resulting in the formation of the precipitate MgNH4PO4⋅H2O. The precipitate is filtered, washed, dried, and then ignited to convert the precipitate to Mg2P2O7. The mass of Mg2P2O7 collected was 1.42 g. Calculate the weight percent of Mg2+ in the original sample
A 4.399 g sample containing Mg2+ is dissolved and treated with excess (NH4)2HPO4, resulting in the formation of the precipitate MgNH4PO4⋅H2O. The precipitate is filtered, washed, dried, and then ignited to convert the precipitate to Mg2P2O7. The mass of Mg2P2O7 collected was 1.42 g. Calculate the weight percent of Mg2+ in the original sample
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter19: Transition Metals And Coordination Chemistry
Section: Chapter Questions
Problem 14E: A 2.5624-g sample of a pure solid alkali metal chloride is dissolved in water and treated with...
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A 4.399 g sample containing Mg2+ is dissolved and treated with excess (NH4)2HPO4, resulting in the formation of the precipitate MgNH4PO4⋅H2O. The precipitate is filtered, washed, dried, and then ignited to convert the precipitate to Mg2P2O7. The mass of Mg2P2O7 collected was 1.42 g. Calculate the weight percent of Mg2+ in the original sample
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